Amount of cumulative impairment loss on investment in equity security without readily determinable fair value.

No definition available.

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

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- Definition

Amount of cumulative gain from upward price adjustment on investment in equity security without readily determinable fair value.

+ References

No definition available.

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- Definition

Amount after tax of increase (decrease) to equity or (increase) decrease to net assets, resulting from the cumulative effect adjustment of a new accounting principle applied in the period of adoption.

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No definition available.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

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Investment in Unconsolidated Entities, Narrative (Details) - USD ($) $ in Millions	3 Months Ended	6 Months Ended
	Jun. 30, 2018	Jun. 30, 2018	Jan. 01, 2018
Equity Securities without Readily Determinable Fair Value [Line Items]
Measurement alternative, impairment	$ 0	$ 0
Measurement alternative, observable price change	0	0
Schedule of Equity Method Investments [Line Items]
Cumulative effect of accounting changes	193	193
Retained earnings
Schedule of Equity Method Investments [Line Items]
Cumulative effect of accounting changes	$ 163	$ 163
ASU 2016-01 \| Retained earnings
Schedule of Equity Method Investments [Line Items]
Cumulative effect of accounting changes			$ 1